6815142 has 12 divisors (see below), whose sum is σ = 14766180. Its totient is φ = 2271708.

The previous prime is 6815131. The next prime is 6815161. The reversal of 6815142 is 2415186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 189292 + ... + 189327.

It is an arithmetic number, because the mean of its divisors is an integer number (1230515).

Almost surely, 2^6815142 is an apocalyptic number.

6815142 is an abundant number, since it is smaller than the sum of its proper divisors (7951038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6815142 is a wasteful number, since it uses less digits than its factorization.

6815142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378627 (or 378624 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 6815142 is about 2610.5826935763. The cubic root of 6815142 is about 189.5941660866.

The spelling of 6815142 in words is "six million, eight hundred fifteen thousand, one hundred forty-two".